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Guardian Digital

Read 23 Guardian Digital reviews and testimonials from customers, explore 20 case studies and customer success stories, and watch customer videos to see why companies chose Guardian Digital as their Email Security Software

Guardian Digital builds enterprise email solutions with an intense focus on security and unrivaled customer support, designed to ease information technology overhead for its customers. Guardian Digital has created a security-as-a-service email protection model that blocks the most sophisticated threats to privacy and data integrity in your organization today.

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Customer Rating Review Score based on 2014 reference ratings
4.8/5.0 (2014)
  • Fall 2026 Top Performer Email Security Software

23Testimonials

  • “Keeping our kids safe online, while having access to all of our resources are our most important requirements. Guardian Digital delivered solidly on both of them, and more.”

  • "The Guardian Digital portfolio of enterprise email products and services meet the stringent security and productivity requirements defined by AT&T New Zealand. Their unique integration of applications increases network and …

  • “The Guardian Digital technical support team is extremely diligent and most importantly, they immediately put me at ease when resolving issues.”

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20 Case Studies

  • DeepInTheMoney reduces spam by >99% with Guardian Digital

  • Jerry Gaffney Ministries eliminates phishing attacks with Guardian Digital

  • Piedmont Natural Gas saves $30k and cuts spam by >99% with Guardian …

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Additional Guardian Digital Information & Resources

Read Guardian Digital Reviews, Testimonials & Customer References from 23 real Guardian Digital customers.

Browse Guardian Digital Case Studies, Customer Success Stories, & Customer References from 20 businesses that use Guardian Digital.